Document 1669-1
No-Opto Flyback Transformer
• Designed for use with Maxim 60 V No-opto isolated flyback
controller MAX17690
• High efficiency, 90.6% in MAXIM reference design circuit
• Operates at 163 kHz with 18 – 38 V input
• 1500 Vrms, one minute isolation (hipot) between primary and
secondary
Core material Ferrite
Terminations RoHS tin-silver over tin over nickel over phos bronze.
Other terminations available at additional cost.
Weight 2.7 – 3.0 g
Ambient temperature –40°C to +85°C
Max part temperature +125°C
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging 400 per 13″ reel Plastic tape: 32 mm wide, 0.4 mm thick,
20 mm pocket spacing, 7.6 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
DCR
Inductance Inductance
Leakage
inductance
max (ꢁµ)4
5
at 0 A2
min at 3
5 A (ꢁµ)
Isolation6 Power
max (Ohms)
pri
Turns ratio
pri : sec
Part
number1
10ꢀ (ꢁµ)
sec
(Vrms)
(W)
Output
ZB1313-CLD
10.5
9.45
0.0611 0.0647
0.18
1 : 1.27
1500
16.8
24 V, 0.7 A
1. Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic
tape (400 parts per full reel).
2. Inductance is for the primary, measured at 150 kHz, 0.1 Vrms, 0 Adc.
3. Minimum inductance is for the primary, measured at 150 kHz,
0.1 Vrms, 5 Adc.
4. Leakage inductance is for the primary winding with the secondary wind-
ing shorted.
5. Turns ratios are with the primary and secondary windings connected in
parallel.
6. 1500 Vrms, one minute isolation (hipot) between primary and secondary.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Connect pin 1 to 2, pin 5 to 6, pin 7
to 8 to 9, and pin 10 to 11 to 12 on
PC board.
Document 1669-1 Revised 10/06/21
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2023
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
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